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1. If the equilibrium values of Fe3+, SCN- and FeSCN2+ are 9.5 x 10^-4 M, 3.6 x 10-4 M, and 5.7 x 10-5 M respectively, explain what is the value of the equilibrium constant (Kc) for the equation?
2. A solution is prepared by adding 18mL of 0.200 M Fe(NO3)3 [iron (III) nitrate] and 2mL of 0.0020 M KSCN. Compute the initial concentrations of Fe3+ and SCN- in the solution
according to the given reaction c2h5oh3o2 reacts with 2co23h2o a 35.6g sample of ethanol c2h5oh is burned a bomb
How will you prepare the following solutions from 6.0 M solution of acetic acid? Give exact details. Assume that a 10-mL graduated cylinder (in which volumes can be read to the nearest 0.1 mL) and a 100-mL graduated cylinder are available.
18.6 grams of a solute with molecular mass of 8940 grams are dissolved in enough water to make 1.00 dm? of solution at 25 àC. What is the osmotic pressure of the solution?
How many moles of H+ ions are present in 1.9 L of 0.48 M hydrobromic acid.
Explain what are the similarities between the Rutherford-Bohr atom as well as the modern quantum mechanical model. Explain what are the differences. Define why is the Rutherford-Bohr model still useful
Coniine, a toxic substance isolated from a poison hemlock, contains only carbon, hydrogen, and nitrogen. Combustion analysis if a 5.024mg sample yields 13.90mg of CO2 and 6.048mg of H2O. What is the empirical formula for Coniine
Give the structure, elite of stereochemistry, of the principal organic product formed on reaction of 2, 3-dimethyl-1, 3-butadiene with the surplus oh H2 and a platinum catalyst
not all element names come from english or latin words. the sysmbol for tungsten is w from the german word wolfram. the
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
What is the percent yield of CaO in the reaction CaCO3 yield CaO + CO2 if 5.33 g of CaO are obtained when 10.0 g of CaCO3 are used?
With two dice, each numbered 1-6, there are two possible ways to roll a 3: Thus, for the outcome of 3 (a particular macrostate) there are 2 microstates. How many possible ways are there to roll a 6
Complete the two half reactions for the Pt electrode. Write two correct Nernst equations for the cell voltage.
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